66760412153 has 2 divisors, whose sum is σ = 66760412154. Its totient is φ = 66760412152.

The previous prime is 66760412129. The next prime is 66760412189. The reversal of 66760412153 is 35121406766.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65345674384 + 1414737769 = 255628^2 + 37613^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66760412153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66760412153.

It is not a weakly prime, because it can be changed into another prime (66760412753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33380206076 + 33380206077.

It is an arithmetic number, because the mean of its divisors is an integer number (33380206077).

Almost surely, 2^66760412153 is an apocalyptic number.

It is an amenable number.

66760412153 is a deficient number, since it is larger than the sum of its proper divisors (1).

66760412153 is an equidigital number, since it uses as much as digits as its factorization.

66760412153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 66760412153 in words is "sixty-six billion, seven hundred sixty million, four hundred twelve thousand, one hundred fifty-three".